A vintage motorcycle patent drawing renders a classic Harley in precise technical lines against a deep charcoal ground, with three angled views showing the bike's side profile, internal mechanism, and detailed components. The monochromatic blueprint aesthetic captures the mechanical elegance of early 20th-century industrial artwork with crisp linework and handwritten annotations framing the invention. Built from double-wall stainless steel and made to order, holding 20 ounces with a snap-on lid, a standard-cup-holder fit, and wraparound artwork. Your commute carrying original art instead of another branded tumbler.